Bitcoin has already mined 95% of the total supply limit of over 21 million, and the remaining issuance is expected to take more than a century.

According to on-chain data, Bitcoin crossed an important supply milestone on Monday, with over 19.95 million BTC already mined, equivalent to 95% of the network's fixed limit of 21 million. With each halving cycle of Bitcoin, the issuance will continue to decrease, and it is expected that the remaining sporadic portions will be mined around the year 2140.